unit 1
What single cell organism almost wiped out all life on earth?
Cyanobacteria
What percentage of the world's population is in China?
18.5%
How many old-Growth forests are left in michigan.
7 places
What is the biggest primary pollutant in the air?
Carbon monoxide
What is the Principle of Original Horizontality?
Sediments are originally deposited horizontally. Over time they form rocks.
During what event did cyanobacteria almost wipe out all life on earth?
Great oxygenation event
What does a negative population growth look like?
a Coffin.
What does a nuclear reactor have in common with a wind turbine.
They both have turbines that spin to generate power
What % of primary pollutants is carbon monoxide
49.1%
Which power source doesn’t use a turbine?
Solar
How did the cyanobacteria create so much oxygen?
photosythis
What do you call stage 4 of an age structure diagram?
Negative Growth
How many nuclear reactors are in michigan.
3
How much lead was in the flint River
220-13,200ppb
Whats the Principle of Cross-Cutting Relationships
Intrusions of igneous rock (formerly magma) that cuts across other rock layers are younger than the rock layer they cut across.